Finding the Fourth Proportional to 83,710.19, 115,521.31 and 45,470.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83,710.19 : 115,521.31 = 45,470.49 : x
2. Step 2: Convert to fraction form
   83,710.19/115,521.31 = 45,470.49/x
3. Step 3: Cross multiply
   83,710.19x = 115,521.31 × 45,470.49
4. Step 4: Simplify right side
   83,710.19x = 5,252,810,411.38
5. Step 5: Solve for x
   x = 5,252,810,411.38/83,710.19
6. Step 6: Final answer
   x = 62,749.95